install CMake from source

install-cmake.sh

set -eu 
set -x

# create a `cmake` directory and extract cmake into there
# build cmake in there, and install to prefix

PREFIX=$HOME/software/cmake-3.17.0-rc3

wget -SL https://github.com/Kitware/CMake/releases/download/v3.17.0-rc3/cmake-3.17.0-rc3.tar.gz
mkdir -p cmake-3.17.0-rc3.src
tar -xvf cmake-3.17.0-rc3.tar.gz --strip-components=1 -C cmake-3.17.0-rc3.src

cd cmake-3.17.0-rc3.src
./bootstrap --prefix=$PREFIX --parallel=`nproc`

mkdir -p $PREFIX
nice -n20 make -j`nproc`
nice -n20 make install